FR2687946B1 - Dispositif d'usinage d'une fente longitudinale a travers la paroi d'une piece tubulaire par l'interieur de cette piece. - Google Patents

Dispositif d'usinage d'une fente longitudinale a travers la paroi d'une piece tubulaire par l'interieur de cette piece.

Info

Publication number
FR2687946B1
FR2687946B1 FR9202408A FR9202408A FR2687946B1 FR 2687946 B1 FR2687946 B1 FR 2687946B1 FR 9202408 A FR9202408 A FR 9202408A FR 9202408 A FR9202408 A FR 9202408A FR 2687946 B1 FR2687946 B1 FR 2687946B1
Authority
FR
France
Prior art keywords
machining
interior
wall
longitudinal slot
tubular part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9202408A
Other languages
English (en)
Other versions
FR2687946A1 (fr
Inventor
Alain Blocquel
Jean Imbert
Antoine Gemma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electricite de France SA
Areva NP SAS
Original Assignee
Electricite de France SA
Framatome SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electricite de France SA, Framatome SA filed Critical Electricite de France SA
Priority to FR9202408A priority Critical patent/FR2687946B1/fr
Publication of FR2687946A1 publication Critical patent/FR2687946A1/fr
Application granted granted Critical
Publication of FR2687946B1 publication Critical patent/FR2687946B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
    • F22B37/003—Maintenance, repairing or inspecting equipment positioned in or via the headers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FR9202408A 1992-02-28 1992-02-28 Dispositif d'usinage d'une fente longitudinale a travers la paroi d'une piece tubulaire par l'interieur de cette piece. Expired - Fee Related FR2687946B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9202408A FR2687946B1 (fr) 1992-02-28 1992-02-28 Dispositif d'usinage d'une fente longitudinale a travers la paroi d'une piece tubulaire par l'interieur de cette piece.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9202408A FR2687946B1 (fr) 1992-02-28 1992-02-28 Dispositif d'usinage d'une fente longitudinale a travers la paroi d'une piece tubulaire par l'interieur de cette piece.

Publications (2)

Publication Number Publication Date
FR2687946A1 FR2687946A1 (fr) 1993-09-03
FR2687946B1 true FR2687946B1 (fr) 1994-05-27

Family

ID=9427201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9202408A Expired - Fee Related FR2687946B1 (fr) 1992-02-28 1992-02-28 Dispositif d'usinage d'une fente longitudinale a travers la paroi d'une piece tubulaire par l'interieur de cette piece.

Country Status (1)

Country Link
FR (1) FR2687946B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5569393A (en) * 1994-07-08 1996-10-29 Reinhart & Associates, Inc. Method and apparatus for sample and defect removal from a bore
US5543599A (en) * 1994-12-14 1996-08-06 Westinghouse Electric Corporation Electron discharge machining apparatus and method
GB2340911B (en) 1998-08-20 2000-11-15 Doncasters Plc Alloy pipes and methods of making same
US6644358B2 (en) 2001-07-27 2003-11-11 Manoir Industries, Inc. Centrifugally-cast tube and related method and apparatus for making same
FR3006926B1 (fr) * 2013-06-18 2015-07-17 Areva Np Ensemble de decoupe d'un tube par electroerosion
CN120816075A (zh) * 2025-09-15 2025-10-21 中核核电运行管理有限公司 一种用于狭小空间套管法兰切割的电火花加工头

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476368A (en) * 1981-02-17 1984-10-09 Cammann Manufacturing Company, Inc. Inner wall tube disintegrator
JPS61146425A (ja) * 1984-12-18 1986-07-04 Mitsubishi Heavy Ind Ltd 細管切断方法及びその方法に用いる切断装置
FR2593421B1 (fr) * 1986-01-29 1988-05-13 Thome Jean Outil de coupe longitudinale de tubes de faible diametre, par l'interieur
FR2623432B1 (fr) * 1987-11-20 1990-04-20 Framatome Sa Dispositif de decoupage par etincelage de la paroi d'une piece tubulaire
US5077456A (en) * 1990-10-15 1991-12-31 The Babcock & Wilcox Company Portable device for cutting the inside wall of a tube by a continous arc

Also Published As

Publication number Publication date
FR2687946A1 (fr) 1993-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse